Reversible air motor having three drive chambers

Details Reversible air motor having three drive chambers Reversible air motor having three drive chambers

2005-02-22

2005-02-22

Vrablik, John J. (Department: 3748)

Rotary expansible chamber devices

Positively actuated vane

Spring biased

C418S270000

Reexamination Certificate

active

06857864

ABSTRACT:
An air motor, especially for a screwer, comprises an air rotor which is rotatably supported in a motor cylinder and comprises a plurality of longitudinal slits extending in the longitudinal direction of the rotor for radially guiding lamellae, the air rotor and motor cylinder having formed thereinbetween chambers which can be brought into communication with an air inlet and/or an air outlet. To achieve a high efficiency of the motor together with a more uniform accelerating power, a reduced sound level and less wear while the exhaust air throttling measures are reduced at the same time, the motor cylinder comprises an inner chamber of an essentially triangular cross-section, one chamber each being formed between air rotor and a triangle tip.

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